warning light MERCEDES-BENZ E-CLASS COUPE 2018 Repair Manual

Display messages
Possible causes/consequences and M
MSolutions
R pressing a steering-wheel button or touch cont rol
R activating or deactivating Active Dis tance Assi stDISTRONIC
K
Please check direction of
travel *Y
ou ha veturned the wrong way on toa one-w aystre et. #
Check the direction of tra vel. #
Turn as soon as possible, in accordance with the traf fic conditions.
6 Front left malfunction Con-
sult workshop (Example) *T
he cor responding restra int sy stem is faulty (→ page31). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, for
ex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem fault:
R The restra int sy stem warning lamp 6does not light up when the ignition is switched on.
R The restra int sy stem warning lamp 6lights up continuously or repeatedly during a journe y. #
Consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 491

Display messages
Possible causes/consequences and M
MSolutions
Active Brake Assist Func-
tions currently limited See
Owner's Manual *
Ve hicles with the Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
Ve hicles without the Driving Assistance pa ckage: Active Brake Assi stistemp orarily una vailable.
The ambient conditions are outside the sy stem limits (→ page196). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
6
Restraint sys. malfunction
Consult workshop *T
herestra int sy stem is faulty (→ page31). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, for
ex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem fault:
R The restra int sy stem warning lamp 6does not light up when the ignition is switched on.
R The restra int sy stem warning lamp 6lights up continuously or repeatedly during a journe y. #
Consult a qualified specialist workshop immediatel y.492
Display messages and warning/indicator lamps

Lights
Display messages
Possible causes/consequences and M
MSolutions
b Intelligent Light System
inoperative *T
he Intelligent Light Sy stem is faulty. The lighting sy stem continues tofunction properly without the functions of
th e Intelligent Light Sy stem. #
Consult a qualified specialist workshop.
b Left dipped beam (Example)*T
he cor responding light source is defective. #
Drive on carefully. #
Consult a qualified specialist workshop immediatel y.
% LED light bulbs: the display message forth e cor responding lamp appears only when allthe light-emitting diodes
in the lamp ha vefailed.
b Active Light System inoper-
ative *T
he active headlamp s arefaulty. #
Consult a qualified specialist workshop.
b *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch totheà position. 528
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Switch off lights
b
Malfunction See Owner's
Manual *T
heexterior lighting is faulty. #
Consult a qualified specialist workshop.
Ve hicles with a trailer hitch: a fuse may haveblown. #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. #
Check the fuses and replace them if necessary (→ page 437).
b
Switch on headlamps *Y
ou are driving without lo w-beam headlamps. #
Turn the light switch totheL orà position.
b
Automatic driving lights
inoperative *T
he light sensor is faulty. #
Consult a qualified specialist workshop.
b Hazard warning lamps mal-
functioning *T
he hazard warning lamp switch is faulty. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 529

Wa
rning and indicator lamps Overview of
warning and indicator lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some warning and indi‐
cator lamps may brief lylight up or flash. This
behaviour is non-critical. These warning and indi‐
cator lamps indicate a malfunction only if they
light up or flash af terth e engine has been star‐
te d or during a journe y.
Instrument display (standard) Instrument display in
the widescreen cockpit Prog
ressive setting Ve
hicles with a widescreen cock pit:Ifyou
select the progressive display setting, the posi‐ tions of
the indicator lamps on the instrument
display will change.
Wa rning and indicator lamps:
L Low beam (→
page128)
T St
anding lights (→ page128)
K High beam (→
page130)
#! Tu
rn signal indicators (→ page130)
R Re
ar fog light (→ page128)
6 Re
stra int sy stem (→ page 532)
ü Seat belt not
fastened (→ page 537)
J Brakes (yellow) (→
page 532)
J Brakes (red) (→
page 532)
! Elect
ric pa rking brake (yellow)
(→ page 532)
! Electric parking brake (red)
(→ page 532)
! ABS malfunction (→
page 532)
÷ ESP®
(→ page 532)
å ESP®
OFF (→ page 532)
L Distance warning (→ page 538) Display messages and
warning/indicator lamps 531

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
! ABS warning lamp The
yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If th ere is an additional warning tone, EBD is malfunctioning.
Other drive sy stems and driving saf ety sy stems may also be malfunctioning. &
WARNING Thereisrisk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning, the wheels could lock when braking
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may increase in
an eme rgency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop.
÷ ESP ®
wa rning lamp lights
up The
yellow ESP ®
wa rning lamp is lit while the engine is running.
ESP ®
is malfunctioning
Other drive sy stems and driving saf ety sy stems may also be malfunctioning. Display messages and
warning/indicator lamps 535

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
7 Seat belt warning lamp
lights up The
red seat belt warning lamp will light up once the engine has star ted.
In addition, a warning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. #
Fasten your seat belt (→ page 36).
If yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit. Driving sy
stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
à Suspension warning lamp The
yellow AIR BODY CONTROL warning lamp is on.
The yellow DYNA MIC BODY CONTROL warning lamp is on.
AIR BODY CONTROL is faulty.
There is a fault in theDY NA MIC BODY CONTROL. #
Obser vethe messages on the multifunction displa y.
L
Wa rning lamp for dis tance
wa rning function The
red dis tancewarning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obs tacle at too high a speed. #
Be prepared tobrake immediatel y.538
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Obser vethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop.
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (→ page 407). #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. Ty
res Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. Display messages and
warning/indicator lamps 541

4Engine oil le
velSt op vehicle
Switch engine off ................................ 508
4Engine oil pressure Stop Switch
off engine ............................................ 509
6Example: Left windowbag mal‐
function Consult workshop ................. 487
Fa ult Drive at max. 80 km/h ...............497
6 Front left malfunction Consult
wo rkshop (Example) ............................4 91
_ Front left seat backrest not
loc ked (Example) .................................5 22
Fr ont-passenger airbag disabled See
Owner's Manual ..................................4 89
Fr ont-passenger airbag enabled See
Owner's Manual ..................................4 88
b Hazard warning lamps mal‐
functioning .......................................... 529
&inoperative Bat tery low .............. .527
& inope rative Refuel vehicle ........... 527
&inoperative See Owner's Man. ....527 !
inope rative See Owner's Man‐
ual ....................................................... 486
÷inoperati veSee Owner's Man‐
ual ....................................................... 486
Tinoperati veSee Owner's Man‐
ual ....................................................... 483
GInoperati ve.................................. 490
bIntelli gent Light Sy stem inoper‐
ative ....................................................5 28
ÁKe y not de tected (red displ ay
messa ge).............................................5 19
Á Key not de tected (white dis‐
pl ay messa ge).....................................5 20
bLeft dipped beam (Example) ....... 528
6Left wind owbag malfunction
Consult workshop (Example) ............... 487
Let fresh air into theve hicle interior!
Air conditioning malf. Visit workshop .. 526
Limiter inoperative .............................. 500
Limiter passive .................................... 501 ¢
Lowe ring .................................... 498
bMalfunction See Owner's Man‐
ual ....................................................... 529
ðMaximum speed exceeded ..........5 01
Mercedes me connect Services limi‐
te d See Owner's Manual .....................490
Mo tor can be star ted again .................5 05
N permanently active Risk of vehicle
ro lling .................................................. .513
ç Off............................................... 499
ëOff ............................................... 496
Only select Park (P) when vehicle is
st ationary ............................................ .514
ï Operation only possible in
transmission position N ....................... 522
ïOperation only possible in
transmission position P ....................... 522
!Pa rking brake See Owner's
Manual ................................................ 480 Index
557

Hooking
the luggage net .........................119
Hotspot Setting up (Wi-Fi) ................................. 302
Via business telephony ........................ 300 I
i-Size child seat securing sy stem
Fitting .................................................... 59
Seats suitable for attaching ................... 58
Identification plate Engine ................................................. 463
Ve hicle ................................................ 463
Ignition Switching on (S tart/S top button) ........ 15 8
Ignition key
see Key
Immobiliser ................................................ 95
Implied warranty
Ve hicle .................................................. 26
In Car Of fice
Calling up ............................................ 352
Fe atures .............................................. 352
Marking a to-do entry as compl eted ....3 53 Noting an incoming call ....................... 353
Selecting functions .............................. 353
Switching auto
maticstart on/off ........ 353
Indicator lamps see Warning/indicator lamps
Individual drive prog ram
Con figuring .......................................... 17 0
Selecting ............................................. 17 0
Inspection see AS SYST PLUS
Instrument clus ter
see Instrument display
Instrument display ..................................2 60
Ad justing the lighting .......................... 265
Fu nction/no tes ................................... 260
Instrument clus ter ................................... 8
Setting the additional value range ....... 263
Wa rning/indicator lamps .................... .531
Instrument lighting .................................265
Intelligent Light Sy stem .......................... 131
Ac tive headla mps ................................ 131
Ad aptive Highbeam Assist Plus .......... .133
Ad versewe ather light .......................... 13 3City lighting ........................................
.133
Cornering light ..................................... 13 2
Fo g light (extended range) ................... 13 2
Mo torw ay mode ................................... 13 2
Overview ..............................................1 31
Switching on/off ................................. 13 3
Interior lighting ........................................ 13 5
Ambient lighting .................................. 13 5
Re ading light ........................................ 13 5
Setting ................................................. 13 5
Switch-off del aytime ........................... 13 6
Interior pr otection
Fu nction ................................................ 96
Priming/deactivating ............................. 97
Intermediate destination Calculating a route with intermediate
destinations ........................................ .317
Entering ............................................... 316
Modifying ............................................. 317
St arting an automatic filling station
sear ch.................................................. 316
St arting the automatic service sta‐
tion sear ch.......................................... 322 564
Index